New to BT - Number to call at BT?

I'm having trouble tracking down a number to call at BT, regarding an order for a broadband product. I received a cold call from BT early this week, with an offer to switch my broadband from AOL TalkTalk. As I was intending on doing this anyway, at some point, I said yes. Obviously, I was reluctant to hand over my bank details over the phone, so they said they'd send some paperwork. This has not arrived.

I've had an email from AOL to say they've been notified I'm changing providers, but I've heard nothing from BT (no email, snail mail or anything). I'm getting a bit worried there might be a problem. Is there a number I can call to check the progress of my order?

Re: New to BT - Number to call at BT?

Strange they have started the migration w/out your bank details and written confirmation.

Who do you have your phone with? If BT, you can check on your BT online a/c.

Thanks - I couldn't be 100% sure it was BT, so I declined to give them my bank details over the phone. They are sending me a direct debit mandate in the post (old fashioned, I know, but hey, I do regular business trips to West Africa). The order is verified via BT's website now.